Compare 20981 vs 22531
| Property | 20981 | 22531 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209811 | 225311 |
| Prime factorization | 20981 | 22531 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20981 | 1, 22531 |
| Number of properties | 5 | 5 |
| Additive primes | 1163rd | |
| Chen primes | 1161st | |
| Good primes | 265th | 274th |
| Harmonic primes | 928th | |
| Isolated primes | 1759th | |
| Primes | 2359th | 2518th |
| Pythagorean primes | 1172nd | |
| Twin primes (1st member) | 357th | |
| Roman numberals | ||
| Base 2 | 1010001111101012 | 1011000000000112 |
| Base 3 | 10012100023 | 10102201113 |
| Base 4 | 110133114 | 112000034 |
| Base 5 | 11324115 | 12101115 |
| Base 6 | 2410456 | 2521516 |
| Base 7 | 1151127 | 1224557 |
| Base 8 | 507658 | 540038 |
| Base 9 | 317029 | 338149 |
| Base 10 | 2098110 | 2253110 |
| Base 11 | 1484411 | 15a2311 |
| Base 12 | 1018512 | 1105712 |
| Base 13 | 971c13 | a34213 |
| Base 14 | 790914 | 82d514 |
| Base 15 | 633b15 | 6a2115 |
| Base 16 | 51f516 | 580316 |